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Diamond in Irish (Muileata): Meaning, Pronunciation, Usage

‘muileata’ also means: lozenge

The Irish for diamond is muileata, a masculine noun (plural muileataí).
Updated October 2026Report a mistake

How to say “diamond” in Irish

Irish:
muileata
English:
diamond, lozenge
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“MWIL-ah-tuh”  /ˈmˠɪlʲət̪ˠə/
Various forms
Plural:
muileataí (diamonds)
Genitive singular:
muileata, an mhuileata (e.g. cruth an mhuileata, the shape of the diamond)
Genitive plural:
muileataí, na muileataí (e.g. patrún na muileataí, the pattern of the diamonds)

What does “muileata” mean?

“Muileata” has two alternative meanings. The most common comes first.

diamond
A diamond shape, a figure with four equal sides set on its point, a rhombus.Also: rhombus, diamond shape, lozenge.
1 other meaning: lozenge
2lozenge
A lozenge-shaped thing, such as a diamond pattern or a diamond on playing cards.Also: diamond pattern, diamonds.

Other Irish words for diamond: diamant (diamond)

“Muileata” with the article

The plural of diamond in Irish is muileataí. Here is muileata after the article (an t-alt), in the singular and the plural.

an muileata
the diamond
No change after an
na muileataí
the diamonds
Plural: no change after na

“Muileata” in a sentence: Irish examples

Common Irish sentences using muileata, the Irish word for diamond.

Tarraing muileata ar an bpáipéar.
Draw a diamond on the paper.
Tá ceithre thaobh chothroma ar an muileata.
The diamond has four equal sides.
Tá muileataí dearga ar an ngeansaí sin.
That jumper has red diamonds on it.
Gearr an páipéar i muileata beag.
Cut the paper into a small diamond.
Thomhais sí taobh an mhuileata.
She measured the side of the diamond.
Is maith liom an muileata sa phatrún seo.
I like the diamond in this pattern.
Rinne na páistí muileataí as cairtchlár.
The children made diamonds out of cardboard.

Other nouns in Irish

More everyday Irish nouns to learn next.

Diamond in Irish: frequently asked questions

What is the Irish for diamond?

The Irish for diamond is muileata (pronounced “MWIL-ah-tuh”). It’s a masculine noun and the plural is muileataí. Depending on context it can also mean lozenge.

How do you pronounce muileata in Irish?

Muileata is said like “MWIL-ah-tuh” (IPA /ˈmˠɪlʲət̪ˠə/).

What is the plural of diamond in Irish?

The plural of muileata is muileataí; with the article, na muileataí means “the diamonds”. The genitive plural is muileataí, as in patrún na muileataí (the pattern of the diamonds).

Does muileata have more than one meaning?

Yes. Muileata can mean diamond or lozenge, depending on context; the first is the most common.

Why does muileata change to mhuileata?

After words like mo (my) and do (your) the first letter is lenited: mo mhuileata. After ár (our) it stays ár muileata, because m does not take eclipsis.

Is 'muileata' the gemstone diamond?

No, 'muileata' is the diamond shape; the precious stone is 'diamant'.

How do I say 'diamond-shaped'?

Use the adjective 'muileatach', for example 'fuinneog mhuileatach', a diamond-shaped window.

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